backup: broken backup

src/faceembed/facenet.rs

@@ -0,0 +1,39 @@
+use crate::errors::*;
+use ndarray::{Array1, ArrayView3};
+use std::path::Path;
+
+#[derive(Debug)]
+pub struct EmbeddingGenerator {
+    handle: mnn_sync::SessionHandle,
+}
+
+impl EmbeddingGenerator {
+    pub fn new(path: impl AsRef<Path>) -> Result<Self> {
+        let model = std::fs::read(path)
+            .change_context(Error)
+            .attach_printable("Failed to read model file")?;
+        Self::new_from_bytes(&model)
+    }
+
+    pub fn new_from_bytes(model: &[u8]) -> Result<Self> {
+        tracing::info!("Loading face embedding model from bytes");
+        let mut model = mnn::Interpreter::from_bytes(model)
+            .map_err(|e| e.into_inner())
+            .change_context(Error)
+            .attach_printable("Failed to load model from bytes")?;
+        model.set_session_mode(mnn::SessionMode::Release);
+        let bc = mnn::BackendConfig::default().with_memory_mode(mnn::MemoryMode::High);
+        let sc = mnn::ScheduleConfig::new()
+            .with_type(mnn::ForwardType::CPU)
+            .with_backend_config(bc);
+        tracing::info!("Creating session handle for face embedding model");
+        let handle = mnn_sync::SessionHandle::new(model, sc)
+            .change_context(Error)
+            .attach_printable("Failed to create session handle")?;
+        Ok(Self { handle })
+    }
+
+    pub fn embedding(&self, roi: ArrayView3<u8>) -> Result<Array1<u8>> {
+        todo!()
+    }
+}